Portable lamp housing



FIG. 1 is a side perspective view of the portable lamp housing showing my new design;

FIG. 2 is a perspective view from the other side thereof;

FIG. 3 is a front elevation thereof; and

FIG. 4 is a rear elevation thereof.

The broken lines are shown in FIGS. 1 through 4 for illustrative purposes only. 

The ornamental design for a portable lamp housing, as shown and described. 